Home / 30,268.45-41,791.04-18,942.53

Finding the Fourth Proportional to 30,268.45, 41,791.04 and 18,942.53

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Solution

The fourth proportional to 30,268.45, 41,791.04 and 18,942.53 is: 26,153.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.45 : 41,791.04 = 18,942.53 : x
  2. Step 2: Convert to fraction form
    30,268.45/41,791.04 = 18,942.53/x
  3. Step 3: Cross multiply
    30,268.45x = 41,791.04 × 18,942.53
  4. Step 4: Simplify right side
    30,268.45x = 791,627,796.30
  5. Step 5: Solve for x
    x = 791,627,796.30/30,268.45
  6. Step 6: Final answer
    x = 26,153.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.